11D Angles formed by Parallel Lines and a Transversal

Front

What are alternate exterior angles?

Back

Alternate exterior angles are pairs of angles that lie outside the two parallel lines and on opposite sides of the transversal. They are equal in measure.

Front

What are alternate interior angles?

Back

Alternate interior angles are pairs of angles that lie between the two parallel lines and on opposite sides of the transversal. They are equal in measure.

Front

What are corresponding angles?

Back

Corresponding angles are pairs of angles that are in the same position relative to the parallel lines and the transversal. They are equal in measure.

Front

What are same-side interior angles?

Back

Same-side interior angles are pairs of angles that lie between the two parallel lines and on the same side of the transversal. They are supplementary, meaning their measures add up to 180 degrees.

Front

If angle P measures 60 degrees, what is the measure of angle C if they are corresponding angles?

Back

Angle C also measures 60 degrees.

Front

If angle D measures 64 degrees, what is the measure of its corresponding angle?

Back

The corresponding angle also measures 64 degrees.

Front

If angle D and angle W are same-side interior angles and angle D measures 64 degrees, what is the measure of angle W?

Back

Angle W measures 116 degrees (180 - 64 = 116).

Front

What is the relationship between alternate interior angles when two parallel lines are cut by a transversal?

Back

Alternate interior angles are equal.

Front

What is the relationship between same-side interior angles when two parallel lines are cut by a transversal?

Back

Same-side interior angles are supplementary.

Front

How do you find the measure of an angle if you know the measure of its adjacent angle?

Back

If the two angles are adjacent and form a linear pair, you can subtract the measure of the adjacent angle from 180 degrees.